package com.example.jsontest;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

import android.util.Log;

// Constructor
public class JSONParser {
	
	static InputStream is = null;
	static JSONObject jObj = null;
	static String json = "";
	
	public JSONParser() {
		
	}
	
	public JSONObject getJSONFromUrl(String url) {
		
		//Peticion HTTP
		try{
			
			DefaultHttpClient httpClient = new DefaultHttpClient();
			HttpPost httpPost = new HttpPost(url);
			
			HttpResponse httpResponse = httpClient.execute(httpPost);
			HttpEntity httpEntity = httpResponse.getEntity();
			is = httpEntity.getContent();
			
		} catch (UnsupportedEncodingException e){
			e.printStackTrace();
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e){
			e.printStackTrace();
		}
		
		try {
			BufferedReader reader = new BufferedReader(new InputStreamReader(
					is, "iso-8859-1"), 8);
			StringBuilder sb = new StringBuilder();
			String line = null;
			while ((line = reader.readLine()) != null) {
				sb.append(line + "\n");
			}
			is.close();
			json = sb.toString();
		} catch (Exception e) {
			Log.e("Buffer Error", "Error converting result " + e.toString());
		}
		
		// de string a objeto JSON
		try{
			jObj = new JSONObject(json);
		} catch (JSONException e) {
			Log.e("JSON Parser", "Error parsing data " + e.toString());
		}
		
		// Salide en JSON
		return jObj;
	
		
	
		
		
	}

}
